67716775

素因数分解:

$5^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 100440000

約数和(自身を除く): 32723225

約数列:

[1, 5, 7, 25, 35, 49, 53, 149, 175, 245, 265, 343, 371, 745, 1043, 1225, 1325, 1715, 1855, 2597, 3725, 5215, 7301, 7897, 8575, 9275, 12985, 18179, 26075, 36505, 39485, 51107, 55279, 64925, 90895, 182525, 197425, 255535, 276395, 386953, 454475, 1277675, 1381975, 1934765, 2708671, 9673825, 13543355, 67716775]

約数ペア:

[(1, 67716775), (5, 13543355), (7, 9673825), (25, 2708671), (35, 1934765), (49, 1381975), (53, 1277675), (149, 454475), (175, 386953), (245, 276395), (265, 255535), (343, 197425), (371, 182525), (745, 90895), (1043, 64925), (1225, 55279), (1325, 51107), (1715, 39485), (1855, 36505), (2597, 26075), (3725, 18179), (5215, 12985), (7301, 9275), (7897, 8575)]